Search

David J. Pearson

Examiner (ID: 759)

Most Active Art Unit
2438
Art Unit(s)
2437, 2438, 2407, 2137
Total Applications
947
Issued Applications
684
Pending Applications
77
Abandoned Applications
199

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2814662 [patent_doc_number] => 05146451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Compact disk player with two stacked, rotary, rotationally offset carrying plates for plural disks' [patent_app_type] => 1 [patent_app_number] => 7/633525 [patent_app_country] => US [patent_app_date] => 1990-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2672 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 476 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/146/05146451.pdf [firstpage_image] =>[orig_patent_app_number] => 633525 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633525
Compact disk player with two stacked, rotary, rotationally offset carrying plates for plural disks Dec 30, 1990 Issued
Array ( [id] => 2996788 [patent_doc_number] => 05212682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Write-one type recording medium storing time and data-writing management data and recording apparatus thereof' [patent_app_type] => 1 [patent_app_number] => 7/633978 [patent_app_country] => US [patent_app_date] => 1990-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2191 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212682.pdf [firstpage_image] =>[orig_patent_app_number] => 633978 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633978
Write-one type recording medium storing time and data-writing management data and recording apparatus thereof Dec 25, 1990 Issued
Array ( [id] => 2946768 [patent_doc_number] => 05223755 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Extended frequency range variable delay locked loop for clock synchronization' [patent_app_type] => 1 [patent_app_number] => 7/633819 [patent_app_country] => US [patent_app_date] => 1990-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2660 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/223/05223755.pdf [firstpage_image] =>[orig_patent_app_number] => 633819 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633819
Extended frequency range variable delay locked loop for clock synchronization Dec 25, 1990 Issued
Array ( [id] => 3020987 [patent_doc_number] => 05276675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Optical disk cartridge assembly' [patent_app_type] => 1 [patent_app_number] => 7/629305 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3719 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/276/05276675.pdf [firstpage_image] =>[orig_patent_app_number] => 629305 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629305
Optical disk cartridge assembly Dec 17, 1990 Issued
Array ( [id] => 3059936 [patent_doc_number] => 05305268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-19 [patent_title] => 'Semiconductor memory with column equilibrate on change of data during a write cycle' [patent_app_type] => 1 [patent_app_number] => 7/627049 [patent_app_country] => US [patent_app_date] => 1990-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 12345 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305268.pdf [firstpage_image] =>[orig_patent_app_number] => 627049 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/627049
Semiconductor memory with column equilibrate on change of data during a write cycle Dec 12, 1990 Issued
07/620149 SINGLE CELL REFERENCE SCHEME FOR FLASH MEMORY SENSING AND PROGRAM STATE VERIFICATION Nov 29, 1990 Abandoned
Array ( [id] => 3096466 [patent_doc_number] => 05285420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'Semiconductor memory device having concurrently resettable memory cells' [patent_app_type] => 1 [patent_app_number] => 7/617743 [patent_app_country] => US [patent_app_date] => 1990-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4854 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/285/05285420.pdf [firstpage_image] =>[orig_patent_app_number] => 617743 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/617743
Semiconductor memory device having concurrently resettable memory cells Nov 25, 1990 Issued
Array ( [id] => 2807434 [patent_doc_number] => 05144617 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Optical information read/write apparatus' [patent_app_type] => 1 [patent_app_number] => 7/610837 [patent_app_country] => US [patent_app_date] => 1990-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4750 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 590 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144617.pdf [firstpage_image] =>[orig_patent_app_number] => 610837 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/610837
Optical information read/write apparatus Nov 7, 1990 Issued
Array ( [id] => 2836950 [patent_doc_number] => 05117416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Recording method for multi-layer recording film' [patent_app_type] => 1 [patent_app_number] => 7/601636 [patent_app_country] => US [patent_app_date] => 1990-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3928 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117416.pdf [firstpage_image] =>[orig_patent_app_number] => 601636 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/601636
Recording method for multi-layer recording film Oct 22, 1990 Issued
Array ( [id] => 2793694 [patent_doc_number] => 05164934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Tray loading apparatus for disc players' [patent_app_type] => 1 [patent_app_number] => 7/599574 [patent_app_country] => US [patent_app_date] => 1990-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1744 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164934.pdf [firstpage_image] =>[orig_patent_app_number] => 599574 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/599574
Tray loading apparatus for disc players Oct 17, 1990 Issued
Array ( [id] => 2870454 [patent_doc_number] => 05150349 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Disc loading structure' [patent_app_type] => 1 [patent_app_number] => 7/599035 [patent_app_country] => US [patent_app_date] => 1990-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 12057 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/150/05150349.pdf [firstpage_image] =>[orig_patent_app_number] => 599035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/599035
Disc loading structure Oct 16, 1990 Issued
Array ( [id] => 2920909 [patent_doc_number] => 05195794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Compact disk lifting device' [patent_app_type] => 1 [patent_app_number] => 7/598972 [patent_app_country] => US [patent_app_date] => 1990-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1913 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195794.pdf [firstpage_image] =>[orig_patent_app_number] => 598972 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/598972
Compact disk lifting device Oct 15, 1990 Issued
Array ( [id] => 2843174 [patent_doc_number] => 05175844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Execution rate controlling device' [patent_app_type] => 1 [patent_app_number] => 7/595816 [patent_app_country] => US [patent_app_date] => 1990-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1189 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/175/05175844.pdf [firstpage_image] =>[orig_patent_app_number] => 595816 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/595816
Execution rate controlling device Oct 10, 1990 Issued
Array ( [id] => 2840814 [patent_doc_number] => 05128910 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Magnetooptical recording method and apparatus used therefor' [patent_app_type] => 1 [patent_app_number] => 7/584156 [patent_app_country] => US [patent_app_date] => 1990-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 43 [patent_no_of_words] => 16576 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/128/05128910.pdf [firstpage_image] =>[orig_patent_app_number] => 584156 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/584156
Magnetooptical recording method and apparatus used therefor Sep 17, 1990 Issued
Array ( [id] => 2801326 [patent_doc_number] => 05136570 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Disc ejecting structure with plurality of disk position sensors' [patent_app_type] => 1 [patent_app_number] => 7/582141 [patent_app_country] => US [patent_app_date] => 1990-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 13100 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136570.pdf [firstpage_image] =>[orig_patent_app_number] => 582141 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/582141
Disc ejecting structure with plurality of disk position sensors Sep 12, 1990 Issued
Array ( [id] => 3063448 [patent_doc_number] => 05305451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-19 [patent_title] => 'Single phase clock distribution circuit for providing clock signals to multiple chip integrated circuit systems' [patent_app_type] => 1 [patent_app_number] => 7/578035 [patent_app_country] => US [patent_app_date] => 1990-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3637 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305451.pdf [firstpage_image] =>[orig_patent_app_number] => 578035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578035
Single phase clock distribution circuit for providing clock signals to multiple chip integrated circuit systems Sep 4, 1990 Issued
Array ( [id] => 2835255 [patent_doc_number] => 05175419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Identification method for markers having a plurality of magnetic thin lines or bands with various coercivities' [patent_app_type] => 1 [patent_app_number] => 7/561950 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 4224 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/175/05175419.pdf [firstpage_image] =>[orig_patent_app_number] => 561950 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561950
Identification method for markers having a plurality of magnetic thin lines or bands with various coercivities Aug 1, 1990 Issued
Array ( [id] => 2824130 [patent_doc_number] => 05168147 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Binary image processing for decoding self-clocking glyph shape codes' [patent_app_type] => 1 [patent_app_number] => 7/560659 [patent_app_country] => US [patent_app_date] => 1990-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 29 [patent_no_of_words] => 11422 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/168/05168147.pdf [firstpage_image] =>[orig_patent_app_number] => 560659 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/560659
Binary image processing for decoding self-clocking glyph shape codes Jul 30, 1990 Issued
07/560569 BAR CODE SCANNER HAVING HOLOGRAM Jul 30, 1990 Abandoned
Array ( [id] => 2956351 [patent_doc_number] => 05255260 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads' [patent_app_type] => 1 [patent_app_number] => 7/555639 [patent_app_country] => US [patent_app_date] => 1990-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 23 [patent_no_of_words] => 8716 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255260.pdf [firstpage_image] =>[orig_patent_app_number] => 555639 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/555639
Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads Jul 22, 1990 Issued
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